diff options
| author | Christian König <christian.koenig@amd.com> | 2015-09-07 12:32:09 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-22 14:49:25 -0700 |
| commit | d03fd6879317f1c6ef3dfab398a6bc8aaf18f58e (patch) | |
| tree | 1c7acaf9d60e88263b6bb13e99f9c66c6583945f /drivers | |
| parent | 0c4322feb2c81c2590ed257eeb87241099a40f11 (diff) | |
drm/amdgpu: fix overflow on 32bit systems
commit b7d698d7fd7d132c6ebe56d230584f2cae6c94ee upstream.
mem->start is a long, so this can overflow on 32bit systems.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 9a4e3b63f1cb..b07402fc8ded 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -787,7 +787,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, int r; if (mem) { - addr = mem->start << PAGE_SHIFT; + addr = (u64)mem->start << PAGE_SHIFT; if (mem->mem_type != TTM_PL_TT) addr += adev->vm_manager.vram_base_offset; } else { |